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a voltaic cell is to be designed at standard state conditions using the following two half reactionsmn2 aq 2e- mn s
the enthalpy of formation of methanethiol ch3sh g is -229 kjmol methanethiol can be synthesized by the reaction of
if 620 ml of h2 and 620 ml of ethylene c2h4 are allowed to react at 15 atm the product ethane c2h6 has a volume of 620
calculate the internal energy and enthalpy of 1 kg of air occupying 005 m3 at 20 bar if the internal energy is
in an aircraft refrigeration unit air is bled from the engine compressor at 35 bar and 2700 c and is passed through an
4415 ml of heptane c7h16 is mixed with 8114 ml of octane c8h8 to form an ideal solution at 30degc the densities of
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assume that the aluminum atoms can be represented as spheres as shown in the drawing part c figure if each atom has a
1 you have a 1340g sample of water at -30 oc and you heat it until you have gaseous water at 140 oc calculate the
draw the reaction products formed by the bromination of z-stilbene designate all product sterocenters accurately and
1 define the following terms by means of an equation or a definitiona broslashnsted-lowry acidb broslashnsted-lowry
a solution gave a precipitate when ammonium oxalate was added but gave no precipitate when ammonium sulfate was added
periodic properties introduction what is the relationship between atomic radius and ionization energy complete this lab
barium sulfatebaso4 is used in medical imaging of the gastrointestinal tract because it is opaque to x rays a barium
a 750- volume of 0200 m nh3 kb1810-5 is titrated with 0500 m hno3 calculate the ph after the addition of 110 ml of
a beaker contains a solution that is 050m in au3 ion and 025 m in ag ion a solution of sodium chloride is slowly
balance the following redox reaction if it occurs in an acidic solution what are the coefficients in front of h2c204
if the activation energy for the decomposition of a compound is 991 kjmol at what temperature will the rate be 10
reactions that produce arrehenius plots with large slopes are more or less sensitive to temperature than reactions that
the pi for amino acids is exactly half-way betwwn the pka values for the two functional groups note that aspartma has
what is the ph of a solution that is 030 m in aniline c6h5nh2 and 015 m in anilinium chloride c6h5nh3cl- kb 42 times
calculate the heat released when 200 l of cl2g with a density of 188gl react with an excess of sodium metal at 25oc and
use this ratio and that you collected 11 mg of 4-bromonitrobenzene to estimate the experimental yield of mononitration
when 125 grams of a solution was evaporated to dryness 423 grams of solute was recovered what was the percentage of
one method for favoring the formation of an ester is to add excess acetic acid suggest another method involving the